838.80   FILTERS AND GAUGES.
   (a)   The recirculation system of a spa pool shall be equipped with a filtration system that will filter the entire volume of the spa pool at the rate specified in Section 838.79(b).
   (b)   Only high-rate sand, diatomaceous earth or replaceable cartridge filters shall be used for spa pools. Other filtration systems may be used with the approval of the Director. Except as provided above, filters and associated piping and valves shall comply with the requirements specified in Section 838.35(a).
   (c)   Pressure gauges and flow meters shall be installed as specified in Section 838.35(b).
   (d)   When cartridge filters are used, an extra set of cartridge filters shall be on-site.
(Ord. 07-14. Passed 12-18-07.)